What is the minimum order quantity?

The minimum order quantity is 10,000 pieces.

Are samples available?

Yes, samples are available for these products.

Carbon Steel GB Standard Spring Lock Washers, Tang Ends, GB7244

Name: Carbon Steel GB Standard Spring Lock Washers, Tang Ends, GB7244
Brand: Ningbo Geobo Hardware Co., Ltd.
SKU: 2147490765

Zhejiang, ChinaNingbo Geobo Hardware Co., Ltd.

US$0.03

10,000-49,999 Pieces

US$0.01

50,000-999,999 Pieces

US$0.005

1,000,000+ Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Type

Spring Washer

Material

Stainless Steel

Model NO.

DIN127A

Combination Washer Structure

Normal

Combination Washer Packaging

All Inclusive

Spring Washer Type

Heavy

Capacity

300tons/Month

Other Material

Carbon Steel and Brass

Color

Black or Grey

Conductive

Conductive or Nonconductive

Transport Package

Pallet

Specification

10 12 14 16 19 22 25

Trademark

Origin

China

HS Code

7318210000

Production Capacity

300tons/Month

Key features

GB7244 Standard Compliance: Carbon steel spring lock washers with tang ends strictly following GB7244 standard specifications.

Anti-Loosening Performance: Effectively prevents joint loosening in machinery under dynamic conditions, high loads, and vibrations.

ISO9001 & BSCI Certified: Manufactured in a factory with ISO9001 certification and BSCI number for quality assurance.

Customizable Options: Offers customized colors (Black/Grey), materials (Carbon Steel/Brass), and conductivity options.

High Production Capacity: Own factory with over 300 tons monthly production capacity and professional quality testing machines.

Multiple Surface Finishes: Available finishes include Zinc Plated, HDG, Black, Bright, and other specialized coatings.

Flexible Packaging: Bulk in cartons (25kg Max.) on wood pallets, or customized packaging according to customer demand.

Global Export Experience: Exports standard and customized fasteners to more than 20 countries with 13 years of experience.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExperienced TeamExhibition Experience

Ningbo Geobo Hardware Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Minor Customization CertifiedExport Year: 13 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤3.39h

AI-Powered supplier vetting

SummaryNingbo Geobo Hardware Co., Ltd. is a China-based trading company established in 2012, with 25 employees and a broad wholesale and import/export business scope. It demonstrates OEM service for well-known brands, ODM availability, 3D software design, minor customization, and new product activity during the past year. However, it has no overseas agents or branches, overseas warehouse, showroom, or inventory service capacity. After-sales governance is weakly documented: no written corrective-action or complaint-handling procedures were provided, and supplier assessment procedures are also undocumented. Financial information is limited to year references without financial results, so credibility cannot be determined. The supplier has attended the EISENWARENMESS offline trade show and reports an 80%–100% repeat-buyer preference, but no Fortune 500 cooperation. Manufacturing outsourcing controls, quality assurance, and raw-material traceability remain unknown.

Supplier typeThe supplier is identified consistently as a trading company, Ningbo Geobo Hardware Co., Ltd., located in Ningbo, Zhejiang, China. Its stated scope covers broad wholesale and import/export activities across hardware, metal products, building materials, tools, and consumer goods, indicating a diversified trading and sourcing role rather than a directly identified manufacturing entity.

After-Sales capabilityThe supplier has no overseas agents or branches, overseas warehouse, or overseas showroom, limiting locally based international service infrastructure. It also has no written corrective and preventive action procedures or complaint-handling procedures, which is explicit evidence of a service-process deficiency.

R&D capabilityThe supplier reports ODM availability, 3D software design services, new products during the past year, and two R&D engineers. However, it has no available SDK and its design capability is described as minor customization, indicating some product-development capacity but limited disclosed technical depth.

Customization capabilityThe supplier explicitly provides OEM services for well-known brands, ODM services, 3D software design, and minor customization. These records support the existence of customization and design-service capability, although the stated design level is limited to minor customization.